19685483 has 2 divisors, whose sum is σ = 19685484. Its totient is φ = 19685482.

The previous prime is 19685467. The next prime is 19685503. The reversal of 19685483 is 38458691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19685483 - 2⁴ = 19685467 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (19685423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9842741 + 9842742.

It is an arithmetic number, because the mean of its divisors is an integer number (9842742).

Almost surely, 2^19685483 is an apocalyptic number.

19685483 is a deficient number, since it is larger than the sum of its proper divisors (1).

19685483 is an equidigital number, since it uses as much as digits as its factorization.

19685483 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 44.

The square root of 19685483 is about 4436.8325413520. The cubic root of 19685483 is about 270.0113529748.

The spelling of 19685483 in words is "nineteen million, six hundred eighty-five thousand, four hundred eighty-three".